Workman Ice Neck Neck Cooler New, Unused Received from an acquaintance, but I won't be using it, so I'm listing it for someone who will. Blue neck cooler with instant cooling function, usable for approximately 180 minutes. - Color: Blue - Features: Instant cooling function - Usage time: 180 minutes - Reusable - Can be frozen*2 Please read the instructions on the attached paper before use.